<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表单文本域示例</title>
</head>

<body>
    <!-- 表单文本域示例 -->
    <form action="/submit_form" method="post">
        <label for="message">留言：</label>

        <!-- 文本域 -->
        <textarea id="message" name="message" rows="4" cols="50"></textarea>

        <p><input type="submit" value="提交"></p>
    </form>
</body>

</html>